Fig. 3From: Control of maleic acid-propylene diepoxide hydrogel for 3D printing application for flexible tissue engineering scaffold with high resolution by end capping and graft polymerizationA Adhesion strength of the MPLE gels on different surfaces. B Digital images of adhesion test on copper(a), rubber(b), polystyrene plastic(c), wood(d), glass(e), porcine skin(f)Back to article page